Finding the Fourth Proportional to 48,413,746.34, 66,810,994.68 and 27,505,815.20
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Solution
The fourth proportional to 48,413,746.34, 66,810,994.68 and 27,505,815.20 is: 37,958,039.03
Step by Step Solution
- Step 1: Write the proportion equation
48,413,746.34 : 66,810,994.68 = 27,505,815.20 : x - Step 2: Convert to fraction form
48,413,746.34/66,810,994.68 = 27,505,815.20/x - Step 3: Cross multiply
48,413,746.34x = 66,810,994.68 × 27,505,815.20 - Step 4: Simplify right side
48,413,746.34x = 1,837,690,872,996,263 - Step 5: Solve for x
x = 1,837,690,872,996,263/48,413,746.34 - Step 6: Final answer
x = 37,958,039.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.